21564642

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{326737}}^1$

素因数の和:326753

約数の個数: 16

約数和(自身を含む): 47050272

約数和(自身を除く): 25485630

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 326737, 653474, 980211, 1960422, 3594107, 7188214, 10782321, 21564642]

約数ペア:

[(1, 21564642), (2, 10782321), (3, 7188214), (6, 3594107), (11, 1960422), (22, 980211), (33, 653474), (66, 326737)]